Predicate



Frameset: f1

   ARG0: entity described
   ARG1: entity arg0 reproduces

Frame:

 (IP-OBJ (NP-SBJ (NN 水族))
  (VP (VP (ADVP (AD 难))
	  (VP (VV 竭)))
      (CC 而)
      (VP (ADVP (AD 易))
	  (VP (VV 繁))))) 

ARG0: 水族
ARGM-ADV: 易
REL:  繁